CVE•Published 2023-09-19•Modified 2026-07-09•1 article on news•6 live references•NVD data
CVE-2023-40931Nagios · Nagios_xi
Vulnerability data via NVD (ingested)
CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS percentile
96
Exploit Prediction Scoring System · top 4% of all CVEs
Weaknesses (CWE)
Description
A SQL injection vulnerability in Nagios XI from version 5.11.0 up to and including 5.11.1 allows authenticated attackers to execute arbitrary SQL commands via the ID parameter in the POST request to /nagiosxi/admin/banner_message-ajaxhelper.php
Timeline
Published 2023-09-19
Modified 2026-07-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-40931Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Nagios Nagios Xi"All exposed Nagios Nagios Xi instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Nagios Xi"HTTP body or banner mentions "Nagios Xi" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-40931Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-40931Censys host search filtered to this CVE id.
grep.app
CVE-2023-40931Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-40931GitHub code search for direct mentions.
Google dork
"CVE-2023-40931" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.